<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册界面</title>
</head>
<body>
  <form action="/demo4_war/login" method="get">
    <label for="username">用户名</label>
      <input type="text" id="username" name="username">
      <br>
      <label for="password">密码</label>
      <input type="password" id="password" name="password">
      <br>
      <input type="submit" value="注册">
  </form>
</body>
</html>